Listview优化MovieListAdapter的使用

MovieListAdapter.java

  1 package com.maomao.beautymovie.adapter;
  2 
  3 import java.util.ArrayList;
  4 import java.util.List;
  5 import com.maomao.beautymovie.R;
  6 import com.maomao.beautymovie.bean.MovieBean;
  7 import com.maomao.beautymovie.commom.CommonUtils;
  8 import com.maomao.beautymovie.commom.Constants;
  9 
 10 import android.content.Context;
 11 import android.view.LayoutInflater;
 12 import android.view.View;
 13 import android.view.ViewGroup;
 14 import android.widget.BaseAdapter;
 15 import android.widget.TextView;
 16 
 17 /**
 18  * 
 19  * @author NINGXUEFENG
 20  *
 21  */
 22 public class MovieListAdapter extends BaseAdapter {
 23     private List<MovieBean> data = new ArrayList<MovieBean>();
 24     private Context context;
 25     
 26     public MovieListAdapter(Context context,List<MovieBean> data){
 27         this.context = context;
 28         this.data = data;
 29     }
 30     //适配器根据getCount()函数来确定要加载多少项
 31     @Override
 32     public int getCount() {
 33         return data.size();
 34     }
 35 
 36     @Override
 37     public Object getItem(int paramInt) {
 38         
 39         return data.get(paramInt);
 40         //return null;
 41     }
 42 
 43     @Override
 44     public long getItemId(int paramInt) {
 45         return paramInt;
 46     }
 47 
 48     @Override
 49     public View getView(int paramInt, View convertView, ViewGroup paramViewGroup) {
 50 
 51         ViewHolder holder = null;
 52         //优化ListView  
 53         if (convertView == null) {
 54             holder = new ViewHolder();
 55             convertView = LayoutInflater.from(context).inflate(R.layout.movie_listview_item, null);
 56             //通过view来得到Item中的每个控件的操作权
 57             holder.name = (TextView)convertView.findViewById(R.id.tv_mname);
 58             holder.type = (TextView)convertView.findViewById(R.id.tv_mtype);
 59             holder.subtitle = (TextView)convertView.findViewById(R.id.tv_subtitle);
 60             holder.director = (TextView)convertView.findViewById(R.id.director);
 61             holder.seennum = (TextView)convertView.findViewById(R.id.tv_seen);
 62             holder.likenum = (TextView)convertView.findViewById(R.id.tv_like);
 63             holder.comnum = (TextView)convertView.findViewById(R.id.tv_com);
 64             convertView.setTag(holder);
 65 
 66         }else {
 67             holder = (ViewHolder) convertView.getTag();
 68         }
 69         
 70         //获得list里面的第paramInt个对象，并把值赋给每个控件
 71         MovieBean movie = data.get(paramInt);
 72         holder.name.setText(movie.getMovieName());
 73         holder.type.setText(CommonUtils.listToString(movie.getMovieType(),Constants.SPT_MOVIE_TYPE));
 74         holder.subtitle.setText(movie.getMovieIntrodutcion());
 75         holder.director.setText(movie.getMovieDirector());
 76         holder.seennum.setText(CommonUtils.basicToString(movie.getDoubanScore()));
 77         holder.likenum.setText(CommonUtils.basicToString(movie.getMovieLikeNum()));
 78         holder.comnum.setText(CommonUtils.basicToString(movie.getMovieCommentNum()));
 79                 
 80     return convertView;
 81 
 82     }
 83 
 84     
 85     
 86     
 87     public final class ViewHolder {
 88         TextView name;
 89         TextView type;
 90         TextView subtitle;
 91         TextView director;
 92         TextView seennum;
 93         TextView likenum;
 94         TextView comnum;
 95     }
 96     
 97 
 98     
 99     
100 }

使用：

 1 package com.maomao.beautymovie.fragment;
 2 
 3 public class AllMovieFragment extends Fragment{
 4 
 5     private static final String TAG = "movieFragment";
 6     private SwipeRefreshLayout swipeLayout;
 7     private CustomListView movieListView;
 8     private MovieListAdapter movieListAdapter;
 9     private List<MovieBean> moviesLsit;
10     
11     public AllMovieFragment()
12     {
13     }
14 
15     public AllMovieFragment(List<MovieBean> moviesLsit)
16     {
17         this.moviesLsit = moviesLsit;
18     }
19     
20 
21     
22     @Override
23     public void onCreate(Bundle savedInstanceState) {
24         super.onCreate(savedInstanceState);
25 
26     }
27 
28     @SuppressLint("InlinedApi")
29     @Override
30     public View onCreateView(LayoutInflater inflater, ViewGroup container,
31             Bundle savedInstanceState) {
32         View view            = inflater.inflate(R.layout.allmoviefrag, container, false);
33         movieListView = (CustomListView)view.findViewById(R.id.movielistview);
34 
35         movieListAdapter = new MovieListAdapter(getActivity(), moviesLsit);
36         
37         movieListView.setAdapter(movieListAdapter); 
38     
39         return view;
40     }
41 
42     
43     
44 }